Xuanzhu Biopharmaceutical. 

Xuanzhu Biopharmaceutical Co., Ltd. is a Chinese enterprise dedicated to the research, production, and commercialization of both small-molecule chemical compounds and large-molecule biopharmaceuticals. The company's primary drug candidates include Core- KBP-3571, developed for treating duodenal ulcers; XZP-3287, a CDK4/6 inhibitor aimed at advanced HR+/HER2 breast cancer; and XZP-3621, intended as a first-line therapy for patients suffering from anaplastic lymphoma kinase-positive (ALK+) advanced non-small-cell lung cancer. Its development pipeline further encompasses KM501, a pioneering HER2/HER2 bispecific antibody drug conjugate currently in Phase I clinical trials, alongside KM602, another anti-tumor agent also undergoing Phase I evaluation. Other investigational assets include XZP-7797, a selective and brain-penetrating poly ADP-ribose polymerase 1 (PARP1) inhibitor; XZP-6924, which targets ubiquitin-specific protease 1 (USP1); XZB-0004, an oral small molecule anexelekto inhibitor; and XZP-6877, a DNA-dependent protein kinase inhibitor. The portfolio also features NG-350A, a next-generation oncolytic viral therapy; XZP-5610, a non-steroidal farnesoid X receptor; and XZP-6019, a first-in-class ketohexokinase (KHK) inhibitor. Founded in 2008 and headquartered in Beijing, China, Xuanzhu Biopharmaceutical Co., Ltd. operates as a subsidiary of Sihuan Pharm.